Bass enhancing device for a speaker system

Details Bass enhancing device for a speaker system Bass enhancing device for a speaker system

1991-01-28

1993-03-02

Isen, Forester W.

Electrical audio signal processing systems and devices

Loudspeaker feedback

H04R 300

Patent

active

051916193

ABSTRACT:
A bass enhancing device for a speaker system a bass enhancing member that increases base range sound waves by vibrating according to sound waves emitted by a speaker unit. The bass enhancing member has a bass range resonant frequency that differs from a frequency at which an amplitude of vibration speed of the speaker system becomes largest. Further, vibration detecting device for detecting vibrations of the bass enhancing member and releasing a detecting current is provided, for example, in the bass enhancing member. The detecting current is fed back to amplification device by feedback device. According to this arrangement, bass range acoustic characteristics are improved without lowering vibration efficiency of a vibrating system of a speaker unit and without increasing structural complexity of the speaker unit.

REFERENCES:
patent: 4741040 (1988-04-01), Kaizer

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